13841213581 has 8 divisors (see below), whose sum is σ = 14928550560. Its totient is φ = 12757109232.

The previous prime is 13841213579. The next prime is 13841213587. The reversal of 13841213581 is 18531214831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13841213581 - 2¹ = 13841213579 is a prime.

It is a super-2 number, since 2×13841213581² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13841213581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13841213587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799255 + ... + 816388.

It is an arithmetic number, because the mean of its divisors is an integer number (1866068820).

Almost surely, 2^13841213581 is an apocalyptic number.

It is an amenable number.

13841213581 is a deficient number, since it is larger than the sum of its proper divisors (1087336979).

13841213581 is a wasteful number, since it uses less digits than its factorization.

13841213581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616315.

The product of its digits is 23040, while the sum is 37.

The spelling of 13841213581 in words is "thirteen billion, eight hundred forty-one million, two hundred thirteen thousand, five hundred eighty-one".